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dihydroergotamine mesylate (migranal)

available over the counter: no

uses: treatment of migraines

mechanism of action: constricts blood vessels which carry blood in the brain; depresses activity in certain portions of the brain

side effects
• commom: constipation, reduced sweating, dizziness, drowsiness
• less common: nausea, vomiting
• serious: blurred vision, headaches, chest pain, changes in heart rate, weakness in legs, muscle pain, severe anxiety or confusion

concerns: prolonged use may lead to addiction or toleranc


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